def open_script_repository(self):
self.script_repository = ScriptRepositoryView(self)
self.script_repository.loadScript.connect(
self.editor.open_file_in_new_tab)
self.script_repository.setAttribute(Qt.WA_DeleteOnClose, True)
self.script_repository.show()
class MainWindow(QMainWindow):
DOCKOPTIONS = QMainWindow.AllowTabbedDocks | QMainWindow.AllowNestedDocks
def __init__(self):
QMainWindow.__init__(self)
# -- instance attributes --
self.setWindowTitle(MAIN_WINDOW_TITLE)
self.setObjectName(MAIN_WINDOW_OBJECT_NAME)
# widgets
self.memorywidget = None
self.messagedisplay = None
self.ipythonconsole = None
self.workspacewidget = None
self.workspacecalculator = None
self.editor = None
self.algorithm_selector = None
self.plot_selector = None
self.interface_manager = None
self.script_repository = None
self.widgets = []
# Widget layout map: required for use in Qt.connection
self._layout_widget_info = None
# Menus
self.file_menu = None
self.file_menu_actions = None
self.view_menu = None
self.view_menu_actions = None
self.view_menu_layouts = None
self.interfaces_menu = None
self.help_menu = None
self.help_menu_actions = None
# Allow splash screen text to be overridden in set_splash
self.splash = SPLASH
# Layout
self.setDockOptions(self.DOCKOPTIONS)
# Project
self.project = None
self.project_recovery = None
# Interfaces
self.interface_manager = None
self.interface_executor = None
self.interface_list = None
self.could_restore_state = False
def setup(self):
# menus must be done first so they can be filled by the
# plugins in register_plugin
self.create_menus()
# widgets
# Log message display must be imported first
self.set_splash("Loading message display")
from workbench.plugins.logmessagedisplay import LogMessageDisplay
self.messagedisplay = LogMessageDisplay(self)
# this takes over stdout/stderr
self.messagedisplay.register_plugin()
# read settings early so that logging level is in place before framework mgr created
self.messagedisplay.readSettings(CONF)
self.widgets.append(self.messagedisplay)
self.set_splash("Loading Algorithm Selector")
from workbench.plugins.algorithmselectorwidget import AlgorithmSelector
self.algorithm_selector = AlgorithmSelector(self)
self.algorithm_selector.register_plugin()
self.widgets.append(self.algorithm_selector)
self.set_splash("Loading Plot Selector")
from workbench.plugins.plotselectorwidget import PlotSelector
self.plot_selector = PlotSelector(self)
self.plot_selector.register_plugin()
self.widgets.append(self.plot_selector)
self.set_splash("Loading code editing widget")
from workbench.plugins.editor import MultiFileEditor
self.editor = MultiFileEditor(self)
self.messagedisplay.display.setActiveScript(
self.editor.editors.current_tab_filename)
self.editor.register_plugin()
self.widgets.append(self.editor)
self.editor.editors.sig_code_exec_start.connect(
self.messagedisplay.script_executing)
self.editor.editors.sig_file_name_changed.connect(
self.messagedisplay.file_name_modified)
self.editor.editors.sig_current_tab_changed.connect(
self.messagedisplay.current_tab_changed)
self.set_splash("Loading IPython console")
from workbench.plugins.jupyterconsole import JupyterConsole
self.ipythonconsole = JupyterConsole(self)
self.ipythonconsole.register_plugin()
self.widgets.append(self.ipythonconsole)
from workbench.plugins.workspacewidget import WorkspaceWidget
self.workspacewidget = WorkspaceWidget(self)
self.workspacewidget.register_plugin()
prompt = CONF.get('project/prompt_on_deleting_workspace')
self.workspacewidget.workspacewidget.enableDeletePrompt(bool(prompt))
self.widgets.append(self.workspacewidget)
self.set_splash("Loading memory widget")
from workbench.plugins.memorywidget import MemoryWidget
self.memorywidget = MemoryWidget(self)
self.memorywidget.register_plugin()
self.widgets.append(self.memorywidget)
# set the link between the algorithm and workspace widget
self.algorithm_selector.algorithm_selector.set_get_selected_workspace_fn(
self.workspacewidget.workspacewidget.getSelectedWorkspaceNames)
from workbench.plugins.workspacecalculatorwidget import WorkspaceCalculatorWidget
self.workspacecalculator = WorkspaceCalculatorWidget(self)
self.workspacecalculator.register_plugin()
self.widgets.append(self.workspacecalculator)
# Set up the project, recovery and interface manager objects
self.project = Project(GlobalFigureManager,
find_all_windows_that_are_savable)
self.project_recovery = ProjectRecovery(
globalfiguremanager=GlobalFigureManager,
multifileinterpreter=self.editor.editors,
main_window=self)
self.interface_executor = PythonCodeExecution()
self.interface_executor.sig_exec_error.connect(
lambda errobj: logger.warning(str(errobj)))
self.interface_manager = InterfaceManager()
# uses default configuration as necessary
self.setup_default_layouts()
self.create_actions()
self.readSettings(CONF)
self.config_updated()
self.override_python_input()
# Ensure windows created after the main window have their own menu bars (on mac)
QCoreApplication.setAttribute(Qt.AA_DontUseNativeMenuBar, True)
def post_mantid_init(self):
"""Run any setup that requires mantid
to have been initialized
"""
self.redirect_python_warnings()
self.populate_menus()
self.algorithm_selector.refresh()
# turn on algorithm factory notifications
from mantid.api import AlgorithmFactory
algorithm_factory = AlgorithmFactory.Instance()
algorithm_factory.enableNotifications()
def set_splash(self, msg=None):
if not self.splash:
return
if msg:
self.splash.showMessage(
msg, int(Qt.AlignBottom | Qt.AlignLeft | Qt.AlignAbsolute),
QColor(Qt.black))
QApplication.processEvents(QEventLoop.AllEvents)
def create_menus(self):
self.file_menu = self.menuBar().addMenu("&File")
self.view_menu = self.menuBar().addMenu("&View")
self.interfaces_menu = self.menuBar().addMenu('&Interfaces')
self.help_menu = self.menuBar().addMenu('&Help')
def create_actions(self):
# --- general application menu options --
# file menu
action_open = create_action(self,
"Open Script",
on_triggered=self.open_file,
shortcut="Ctrl+O")
action_load_project = create_action(self,
"Open Project",
on_triggered=self.load_project)
action_save_script = create_action(self,
"Save Script",
on_triggered=self.save_script,
shortcut="Ctrl+S")
action_save_script_as = create_action(self,
"Save Script as...",
on_triggered=self.save_script_as)
action_generate_ws_script = create_action(
self,
"Generate Recovery Script",
on_triggered=self.generate_script_from_workspaces)
action_save_project = create_action(self,
"Save Project",
on_triggered=self.save_project)
action_save_project_as = create_action(
self, "Save Project as...", on_triggered=self.save_project_as)
action_manage_directories = create_action(
self,
"Manage User Directories",
on_triggered=self.open_manage_directories)
action_script_repository = create_action(
self,
"Script Repository",
on_triggered=self.open_script_repository)
action_settings = create_action(self,
"Settings",
on_triggered=self.open_settings_window)
action_quit = create_action(self,
"&Quit",
on_triggered=self.close,
shortcut="Ctrl+Q")
action_clear_all_memory = create_action(
self,
"Clear All Memory",
on_triggered=self.clear_all_memory_action,
shortcut="Ctrl+Shift+L")
menu_recently_closed_scripts = RecentlyClosedScriptsMenu(self)
self.editor.editors.sig_tab_closed.connect(
menu_recently_closed_scripts.add_script_to_settings)
self.file_menu_actions = [
action_open, action_load_project, None, action_save_script,
action_save_script_as, menu_recently_closed_scripts,
action_generate_ws_script, None, action_save_project,
action_save_project_as, None, action_settings, None,
action_manage_directories, None, action_script_repository, None,
action_clear_all_memory, None, action_quit
]
# view menu
action_restore_default = create_action(
self,
"Restore Default Layout",
on_triggered=self.setup_default_layouts,
shortcut="Shift+F10",
shortcut_context=Qt.ApplicationShortcut)
self.view_menu_layouts = self.view_menu.addMenu("&User Layouts")
self.populate_layout_menu()
self.view_menu_actions = [action_restore_default, None
] + self.create_widget_actions()
# help menu
action_mantid_help = create_action(
self,
"Mantid Help",
on_triggered=self.open_mantid_help,
shortcut='F1',
shortcut_context=Qt.ApplicationShortcut)
action_algorithm_descriptions = create_action(
self,
'Algorithm Descriptions',
on_triggered=self.open_algorithm_descriptions_help)
action_mantid_concepts = create_action(
self,
"Mantid Concepts",
on_triggered=self.open_mantid_concepts_help)
action_mantid_homepage = create_action(
self, "Mantid Homepage", on_triggered=self.open_mantid_homepage)
action_mantid_forum = create_action(
self, "Mantid Forum", on_triggered=self.open_mantid_forum)
action_about = create_action(self,
"About Mantid Workbench",
on_triggered=self.open_about)
self.help_menu_actions = [
action_mantid_help, action_mantid_concepts,
action_algorithm_descriptions, None, action_mantid_homepage,
action_mantid_forum, None, action_about
]
def create_widget_actions(self):
"""
Creates menu actions to show/hide dockable widgets.
This uses all widgets that are in self.widgets
:return: A list of show/hide actions for all widgets
"""
widget_actions = []
for widget in self.widgets:
action = widget.dockwidget.toggleViewAction()
widget_actions.append(action)
return widget_actions
def populate_menus(self):
# Link to menus
add_actions(self.file_menu, self.file_menu_actions)
add_actions(self.view_menu, self.view_menu_actions)
add_actions(self.help_menu, self.help_menu_actions)
def launch_custom_python_gui(self, filename):
self.interface_executor.execute(open(filename).read(), filename)
def launch_custom_cpp_gui(self, interface_name, submenu=None):
"""Create a new interface window if one does not already exist,
else show existing window"""
object_name = 'custom-cpp-interface-' + interface_name
window = find_window(object_name, QMainWindow)
if window is None:
interface = self.interface_manager.createSubWindow(interface_name)
interface.setObjectName(object_name)
interface.setAttribute(Qt.WA_DeleteOnClose, True)
parent, flags = get_window_config()
if parent:
interface.setParent(parent, flags)
interface.show()
else:
if window.windowState() == Qt.WindowMinimized:
window.setWindowState(Qt.WindowActive)
else:
window.raise_()
def populate_interfaces_menu(self):
"""Populate then Interfaces menu with all Python and C++ interfaces"""
self.interfaces_menu.clear()
interface_dir = _get_interface_dir()
self.interface_list, registers_to_run = self._discover_python_interfaces(
interface_dir)
self._discover_cpp_interfaces(self.interface_list)
hidden_interfaces = ConfigService[
'interfaces.categories.hidden'].split(';')
keys = list(self.interface_list.keys())
keys.sort()
for key in keys:
if key not in hidden_interfaces:
submenu = self.interfaces_menu.addMenu(key)
names = self.interface_list[key]
names.sort()
for name in names:
if '.py' in name:
action = submenu.addAction(
name.replace('.py', '').replace('_', ' '))
script = os.path.join(interface_dir, name)
action.triggered.connect(
lambda checked_py, script=script: self.
launch_custom_python_gui(script))
else:
action = submenu.addAction(name)
action.triggered.connect(
lambda checked_cpp, name=name, key=key: self.
launch_custom_cpp_gui(name, key))
# these register scripts contain code to register encoders and decoders to work with project save before the
# corresponding interface has been initialised. This is a temporary measure pending harmonisation of cpp/python
# interfaces
for reg_list in registers_to_run.values():
for register in reg_list:
file_path = os.path.join(interface_dir, register)
with open(file_path) as handle:
self.interface_executor.execute(handle.read(), file_path)
def redirect_python_warnings(self):
"""By default the warnings module writes warnings to sys.stderr. stderr is assumed to be
an error channel so we don't confuse warnings with errors this redirects warnings
from the warnings module to mantid.logger.warning
"""
import warnings
def to_mantid_warning(*args, **kwargs):
logger.warning(warnings.formatwarning(*args, **kwargs))
warnings.showwarning = to_mantid_warning
def _discover_python_interfaces(self, interface_dir):
"""Return a dictionary mapping a category to a set of named Python interfaces"""
items = ConfigService['mantidqt.python_interfaces'].split()
try:
register_items = ConfigService[
'mantidqt.python_interfaces_io_registry'].split()
except KeyError:
register_items = []
# detect the python interfaces
interfaces = {}
registers_to_run = {}
for item in items:
key, scriptname = item.split('/')
reg_name = scriptname[:-3] + '_register.py'
if reg_name in register_items and os.path.exists(
os.path.join(interface_dir, reg_name)):
registers_to_run.setdefault(key, []).append(reg_name)
if not os.path.exists(os.path.join(interface_dir, scriptname)):
logger.warning('Failed to find script "{}" in "{}"'.format(
scriptname, interface_dir))
continue
interfaces.setdefault(key, []).append(scriptname)
return interfaces, registers_to_run
def _discover_cpp_interfaces(self, interfaces):
"""Return a dictionary mapping a category to a set of named C++ interfaces"""
cpp_interface_factory = UserSubWindowFactory.Instance()
interface_names = cpp_interface_factory.keys()
for name in interface_names:
categories = cpp_interface_factory.categories(name)
if len(categories) == 0:
categories = ["General"]
for category in categories:
if category in interfaces.keys():
interfaces[category].append(name)
else:
interfaces[category] = [name]
return interfaces
def add_dockwidget(self, plugin):
"""Create a dockwidget around a plugin and add the dock to window"""
dockwidget, location = plugin.create_dockwidget()
self.addDockWidget(location, dockwidget)
# ----------------------- Layout ---------------------------------
def populate_layout_menu(self):
self.view_menu_layouts.clear()
try:
layout_dict = CONF.get("MainWindow/user_layouts")
except KeyError:
layout_dict = {}
layout_keys = sorted(layout_dict.keys())
layout_options = []
for item in layout_keys:
layout_options.append(
self.create_load_layout_action(item, layout_dict[item]))
layout_options.append(None)
action_settings = create_action(
self, "Settings", on_triggered=self.open_settings_layout_window)
layout_options.append(action_settings)
add_actions(self.view_menu_layouts, layout_options)
def create_load_layout_action(self, layout_name, layout):
action_load_layout = create_action(
self,
layout_name,
on_triggered=lambda: self.attempt_to_restore_state(layout))
return action_load_layout
def prep_window_for_reset(self):
"""Function to reset all dock widgets to a state where they can be
ordered by setup_default_layout"""
for widget in self.widgets:
widget.dockwidget.setFloating(
False) # Bring back any floating windows
self.addDockWidget(Qt.LeftDockWidgetArea,
widget.dockwidget) # Un-tabify all widgets
widget.toggle_view(False)
def setup_default_layouts(self):
"""Set the default layouts of the child widgets"""
# layout definition
memorywidget = self.memorywidget
logmessages = self.messagedisplay
ipython = self.ipythonconsole
workspacewidget = self.workspacewidget
editor = self.editor
algorithm_selector = self.algorithm_selector
plot_selector = self.plot_selector
workspacecalculator = self.workspacecalculator
# If more than two rows are needed in a column,
# arrange_layout function needs to be revisited.
# In the first column, there are three widgets in two rows
# as the algorithm_selector and plot_selector are tabified.
default_layout = {
'widgets': [
# column 0
[[workspacewidget], [algorithm_selector, plot_selector]],
# column 1
[[editor, ipython], [workspacecalculator]],
# column 2
[[memorywidget], [logmessages]]
],
}
size = self.size() # Preserve size on reset
self.arrange_layout(default_layout)
self.resize(size)
def arrange_layout(self, layout):
"""Arrange the layout of the child widgets according to the supplied layout"""
self.prep_window_for_reset()
widgets_layout = layout['widgets']
with widget_updates_disabled(self):
# flatten list
widgets = [
item for column in widgets_layout for row in column
for item in row
]
# show everything
for w in widgets:
w.toggle_view(True)
# split everything on the horizontal
for i in range(len(widgets) - 1):
first, second = widgets[i], widgets[i + 1]
self.splitDockWidget(first.dockwidget, second.dockwidget,
Qt.Horizontal)
# now arrange the rows
for column in widgets_layout:
for i in range(len(column) - 1):
first_row, second_row = column[i], column[i + 1]
self.splitDockWidget(first_row[0].dockwidget,
second_row[0].dockwidget, Qt.Vertical)
# and finally tabify those in the same position
for column in widgets_layout:
for row in column:
for i in range(len(row) - 1):
first, second = row[i], row[i + 1]
self.tabifyDockWidget(first.dockwidget,
second.dockwidget)
# Raise front widget per row
row[0].dockwidget.show()
row[0].dockwidget.raise_()
# ----------------------- Events ---------------------------------
def closeEvent(self, event):
if self.project is not None:
if self.project.is_saving or self.project.is_loading:
event.ignore()
self.project.inform_user_not_possible()
return
# Check whether or not to save project
if not self.project.saved:
# Offer save
if self.project.offer_save(self):
# Cancel has been clicked
event.ignore()
return
# Close editors
if self.editor is None or self.editor.app_closing():
# write out any changes to the mantid config file
ConfigService.saveConfig(ConfigService.getUserFilename())
# write current window information to global settings object
self.writeSettings(CONF)
# Close all open plots
# We don't want this at module scope here
import matplotlib.pyplot as plt # noqa
plt.close('all')
# Cancel all running (managed) algorithms
AlgorithmManager.Instance().cancelAll()
app = QApplication.instance()
if app is not None:
app.closeAllWindows()
# Kill the project recovery thread and don't restart should a save be in progress and clear out current
# recovery checkpoint as it is closing properly
if self.project_recovery is not None:
self.project_recovery.stop_recovery_thread()
self.project_recovery.closing_workbench = True
# Cancel memory widget thread
if self.memorywidget is not None:
self.memorywidget.presenter.cancel_memory_update()
if self.interface_manager is not None:
self.interface_manager.closeHelpWindow()
if self.workspacecalculator is not None:
self.workspacecalculator.view.closeEvent(event)
if self.project_recovery is not None:
# Do not merge this block with the above block that
# starts with the same check.
# We deliberately split the call to stop the recovery
# thread and removal of the checkpoints folder to
# allow for the maximum amount of time for the recovery
# thread to finish. Any errors here are ignored as exceptions
# on shutdown cannot be handled in a meaningful way.
# Future runs of project recovery will clean any stale points
# after a month
self.project_recovery.remove_current_pid_folder(
ignore_errors=True)
event.accept()
else:
# Cancel was pressed when closing an editor
event.ignore()
# ----------------------- Slots ---------------------------------
def open_file(self):
# todo: when more file types are added this should
# live in its own type
defaultSaveDirectory = ConfigService['defaultsave.directory']
filepath, _ = QFileDialog.getOpenFileName(self, "Open File...",
defaultSaveDirectory,
"Python (*.py)")
if not filepath:
return
self.editor.open_file_in_new_tab(filepath)
def save_script(self):
self.editor.save_current_file()
def save_script_as(self):
self.editor.save_current_file_as()
def generate_script_from_workspaces(self):
if not self.workspacewidget.empty_of_workspaces():
task = BlockingAsyncTaskWithCallback(
target=self._generate_script_from_workspaces,
blocking_cb=QApplication.processEvents)
task.start()
else:
# Tell users they need a workspace to do that
QMessageBox().warning(
None, "No Workspaces!",
"In order to generate a recovery script there needs to be some workspaces.",
QMessageBox.Ok)
def _generate_script_from_workspaces(self):
script = "from mantid.simpleapi import *\n\n" + get_all_workspace_history_from_ads(
)
QAppThreadCall(self.editor.open_script_in_new_tab)(script)
def save_project(self):
self.project.save(CONF)
def save_project_as(self):
self.project.open_project_save_dialog(CONF)
def load_project(self):
self.project.load()
def open_manage_directories(self):
manageuserdirectories.ManageUserDirectories.openManageUserDirectories()
def open_script_repository(self):
self.script_repository = ScriptRepositoryView(self)
self.script_repository.loadScript.connect(
self.editor.open_file_in_new_tab)
self.script_repository.setAttribute(Qt.WA_DeleteOnClose, True)
self.script_repository.show()
def open_settings_window(self):
settings = SettingsPresenter(self)
settings.show()
def open_settings_layout_window(self):
settings = SettingsPresenter(self)
settings.show()
settings.general_settings.focus_layout_box()
def clear_all_memory_action(self):
"""
Creates Question QMessageBox to check user wants to clear all memory
when action is pressed from file menu
"""
msg = QMessageBox(
QMessageBox.Question, "Clear All",
"All workspaces and windows will be removed.\nAre you sure?")
msg.addButton(QMessageBox.Ok)
msg.addButton(QMessageBox.Cancel)
msg.setWindowIcon(QIcon(':/images/MantidIcon.ico'))
reply = msg.exec()
if reply == QMessageBox.Ok:
self.clear_all_memory()
def clear_all_memory(self):
"""
Wrapper for call to FrameworkManager to clear all memory
"""
FrameworkManager.Instance().clear()
def config_updated(self):
"""
Updates the widgets that depend on settings from the Workbench Config.
"""
self.editor.load_settings_from_config(CONF)
self.project.load_settings_from_config(CONF)
self.algorithm_selector.refresh()
self.populate_interfaces_menu()
self.workspacewidget.refresh_workspaces()
def open_algorithm_descriptions_help(self):
self.interface_manager.showAlgorithmHelp('')
def open_mantid_concepts_help(self):
self.interface_manager.showConceptHelp('')
def open_mantid_help(self):
UsageService.registerFeatureUsage(FeatureType.Feature.Interface,
["Mantid Help"], False)
self.interface_manager.showHelpPage('')
def open_mantid_homepage(self):
self.interface_manager.showWebPage('https://www.mantidproject.org')
def open_mantid_forum(self):
self.interface_manager.showWebPage('https://forum.mantidproject.org/')
def open_about(self):
about = AboutPresenter(self)
about.show()
def readSettings(self, settings):
qapp = QApplication.instance()
# get the saved window geometry
window_size = settings.get('MainWindow/size')
if not isinstance(window_size, QSize):
window_size = QSize(*window_size)
window_pos = settings.get('MainWindow/position')
if not isinstance(window_pos, QPoint):
window_pos = QPoint(*window_pos)
if settings.has('MainWindow/font'):
font_string = settings.get('MainWindow/font').split(',')
font = QFontDatabase().font(font_string[0], font_string[-1],
int(font_string[1]))
qapp.setFont(font)
# reset font for ipython console to ensure it stays monospace
self.ipythonconsole.console.reset_font()
# make sure main window is smaller than the desktop
desktop = QDesktopWidget()
# this gives the maximum screen number if the position is off screen
screen = desktop.screenNumber(window_pos)
# recalculate the window size
desktop_geom = desktop.availableGeometry(screen)
w = min(desktop_geom.size().width(), window_size.width())
h = min(desktop_geom.size().height(), window_size.height())
window_size = QSize(w, h)
# and position it on the supplied desktop screen
x = max(window_pos.x(), desktop_geom.left())
y = max(window_pos.y(), desktop_geom.top())
if x + w > desktop_geom.right():
x = desktop_geom.right() - w
if y + h > desktop_geom.bottom():
y = desktop_geom.bottom() - h
window_pos = QPoint(x, y)
# set the geometry
self.resize(window_size)
self.move(window_pos)
# restore window state
if settings.has('MainWindow/state'):
if not self.restoreState(settings.get('MainWindow/state'),
SAVE_STATE_VERSION):
logger.warning(
"The previous layout of workbench is not compatible with this version, reverting to default layout."
)
else:
self.setWindowState(Qt.WindowMaximized)
# read in settings for children
AlgorithmInputHistory().readSettings(settings)
for widget in self.widgets:
if hasattr(widget, 'readSettingsIfNotDone'):
widget.readSettingsIfNotDone(settings)
def writeSettings(self, settings):
settings.set('MainWindow/size', self.size()) # QSize
settings.set('MainWindow/position', self.pos()) # QPoint
settings.set('MainWindow/state',
self.saveState(SAVE_STATE_VERSION)) # QByteArray
# write out settings for children
AlgorithmInputHistory().writeSettings(settings)
for widget in self.widgets:
if hasattr(widget, 'writeSettings'):
widget.writeSettings(settings)
def override_python_input(self):
"""Replace python input with a call to a qinputdialog"""
builtins.input = QAppThreadCall(input_qinputdialog)
def attempt_to_restore_state(self, state):
if self.restoreState(state, SAVE_STATE_VERSION):
return
# The version number of the supplied state is older than the current version
reply = QMessageBox.question(
self, "Layout Restoration",
"The selected layout is incompatible with this version of Workbench. Workbench will attempt to restore "
"the layout, but it may appear differently from before.\nDo you wish to continue?",
QMessageBox.Yes | QMessageBox.No)
if not reply == QMessageBox.Yes:
return
for version in range(0, SAVE_STATE_VERSION):
if self.restoreState(state, version):
QMessageBox.information(
self, "Success",
"The layout was successfully restored.\nTo hide this warning in the future, delete the old "
"layout in File > Settings, and save this as a new layout."
)
return
QMessageBox.warning(self, "Failure",
"The layout was unable to be restored.",
QMessageBox.Ok)
class MainWindow(QMainWindow):
DOCKOPTIONS = QMainWindow.AllowTabbedDocks | QMainWindow.AllowNestedDocks
def __init__(self):
QMainWindow.__init__(self)
# -- instance attributes --
self.setWindowTitle(MAIN_WINDOW_TITLE)
self.setObjectName(MAIN_WINDOW_OBJECT_NAME)
# widgets
self.messagedisplay = None
self.ipythonconsole = None
self.workspacewidget = None
self.editor = None
self.algorithm_selector = None
self.plot_selector = None
self.interface_manager = None
self.script_repository = None
self.widgets = []
# Widget layout map: required for use in Qt.connection
self._layout_widget_info = None
# Menus
self.file_menu = None
self.file_menu_actions = None
self.view_menu = None
self.view_menu_actions = None
self.view_menu_layouts = None
self.interfaces_menu = None
self.help_menu = None
self.help_menu_actions = None
# Allow splash screen text to be overridden in set_splash
self.splash = SPLASH
# Layout
self.setDockOptions(self.DOCKOPTIONS)
# Project
self.project = None
self.project_recovery = None
# Interfaces
self.interface_manager = None
self.interface_executor = None
self.interface_list = None
def setup(self):
# menus must be done first so they can be filled by the
# plugins in register_plugin
self.create_menus()
# widgets
# Log message display must be imported first
self.set_splash("Loading message display")
from workbench.plugins.logmessagedisplay import LogMessageDisplay
self.messagedisplay = LogMessageDisplay(self)
# this takes over stdout/stderr
self.messagedisplay.register_plugin()
self.widgets.append(self.messagedisplay)
self.set_splash("Loading Algorithm Selector")
from workbench.plugins.algorithmselectorwidget import AlgorithmSelector
self.algorithm_selector = AlgorithmSelector(self)
self.algorithm_selector.register_plugin()
self.widgets.append(self.algorithm_selector)
self.set_splash("Loading Plot Selector")
from workbench.plugins.plotselectorwidget import PlotSelector
self.plot_selector = PlotSelector(self)
self.plot_selector.register_plugin()
self.widgets.append(self.plot_selector)
self.set_splash("Loading code editing widget")
from workbench.plugins.editor import MultiFileEditor
self.editor = MultiFileEditor(self)
self.messagedisplay.display.setActiveScript(
self.editor.editors.current_tab_filename)
self.editor.register_plugin()
self.widgets.append(self.editor)
self.editor.editors.sig_code_exec_start.connect(
self.messagedisplay.script_executing)
self.editor.editors.sig_file_name_changed.connect(
self.messagedisplay.file_name_modified)
self.editor.editors.sig_current_tab_changed.connect(
self.messagedisplay.current_tab_changed)
self.set_splash("Loading IPython console")
from workbench.plugins.jupyterconsole import JupyterConsole
self.ipythonconsole = JupyterConsole(self)
self.ipythonconsole.register_plugin()
self.widgets.append(self.ipythonconsole)
from workbench.plugins.workspacewidget import WorkspaceWidget
self.workspacewidget = WorkspaceWidget(self)
self.workspacewidget.register_plugin()
prompt = CONF.get('project/prompt_on_deleting_workspace')
self.workspacewidget.workspacewidget.enableDeletePrompt(bool(prompt))
self.widgets.append(self.workspacewidget)
# set the link between the algorithm and workspace widget
self.algorithm_selector.algorithm_selector.set_get_selected_workspace_fn(
self.workspacewidget.workspacewidget.getSelectedWorkspaceNames)
# Set up the project, recovery and interface manager objects
self.project = Project(GlobalFigureManager,
find_all_windows_that_are_savable)
self.project_recovery = ProjectRecovery(
globalfiguremanager=GlobalFigureManager,
multifileinterpreter=self.editor.editors,
main_window=self)
self.interface_executor = PythonCodeExecution()
self.interface_executor.sig_exec_error.connect(
lambda errobj: logger.warning(str(errobj)))
self.interface_manager = InterfaceManager()
# uses default configuration as necessary
self.setup_default_layouts()
self.create_actions()
self.readSettings(CONF)
self.config_updated()
def post_mantid_init(self):
"""Run any setup that requires mantid
to have been initialized
"""
self.redirect_python_warnings()
self.populate_menus()
self.algorithm_selector.refresh()
# turn on algorithm factory notifications
from mantid.api import AlgorithmFactory
algorithm_factory = AlgorithmFactory.Instance()
algorithm_factory.enableNotifications()
def set_splash(self, msg=None):
if not self.splash:
return
if msg:
self.splash.showMessage(
msg, Qt.AlignBottom | Qt.AlignLeft | Qt.AlignAbsolute,
QColor(Qt.black))
QApplication.processEvents(QEventLoop.AllEvents)
def create_menus(self):
self.file_menu = self.menuBar().addMenu("&File")
self.view_menu = self.menuBar().addMenu("&View")
self.interfaces_menu = self.menuBar().addMenu('&Interfaces')
self.help_menu = self.menuBar().addMenu('&Help')
def create_actions(self):
# --- general application menu options --
# file menu
action_open = create_action(self,
"Open Script",
on_triggered=self.open_file,
shortcut="Ctrl+O",
shortcut_context=Qt.ApplicationShortcut)
action_load_project = create_action(self,
"Open Project",
on_triggered=self.load_project)
action_save_script = create_action(
self,
"Save Script",
on_triggered=self.save_script,
shortcut="Ctrl+S",
shortcut_context=Qt.ApplicationShortcut)
action_save_script_as = create_action(self,
"Save Script as...",
on_triggered=self.save_script_as)
action_generate_ws_script = create_action(
self,
"Generate Recovery Script",
on_triggered=self.generate_script_from_workspaces)
action_save_project = create_action(self,
"Save Project",
on_triggered=self.save_project)
action_save_project_as = create_action(
self, "Save Project as...", on_triggered=self.save_project_as)
action_manage_directories = create_action(
self,
"Manage User Directories",
on_triggered=self.open_manage_directories)
action_script_repository = create_action(
self,
"Script Repository",
on_triggered=self.open_script_repository)
action_settings = create_action(self,
"Settings",
on_triggered=self.open_settings_window)
action_quit = create_action(self,
"&Quit",
on_triggered=self.close,
shortcut="Ctrl+Q",
shortcut_context=Qt.ApplicationShortcut)
self.file_menu_actions = [
action_open, action_load_project, None, action_save_script,
action_save_script_as, action_generate_ws_script, None,
action_save_project, action_save_project_as, None, action_settings,
None, action_manage_directories, None, action_script_repository,
None, action_quit
]
# view menu
action_restore_default = create_action(
self,
"Restore Default Layout",
on_triggered=self.setup_default_layouts,
shortcut="Shift+F10",
shortcut_context=Qt.ApplicationShortcut)
self.view_menu_layouts = self.view_menu.addMenu("&User Layouts")
self.populate_layout_menu()
self.view_menu_actions = [action_restore_default, None
] + self.create_widget_actions()
# help menu
action_mantid_help = create_action(
self,
"Mantid Help",
on_triggered=self.open_mantid_help,
shortcut='F1',
shortcut_context=Qt.ApplicationShortcut)
action_algorithm_descriptions = create_action(
self,
'Algorithm Descriptions',
on_triggered=self.open_algorithm_descriptions_help)
action_mantid_concepts = create_action(
self,
"Mantid Concepts",
on_triggered=self.open_mantid_concepts_help)
action_mantid_homepage = create_action(
self, "Mantid Homepage", on_triggered=self.open_mantid_homepage)
action_mantid_forum = create_action(
self, "Mantid Forum", on_triggered=self.open_mantid_forum)
action_about = create_action(self,
"About Mantid Workbench",
on_triggered=self.open_about)
self.help_menu_actions = [
action_mantid_help, action_mantid_concepts,
action_algorithm_descriptions, None, action_mantid_homepage,
action_mantid_forum, None, action_about
]
def create_widget_actions(self):
"""
Creates menu actions to show/hide dockable widgets.
This uses all widgets that are in self.widgets
:return: A list of show/hide actions for all widgets
"""
widget_actions = []
for widget in self.widgets:
action = widget.dockwidget.toggleViewAction()
widget_actions.append(action)
return widget_actions
def populate_menus(self):
# Link to menus
add_actions(self.file_menu, self.file_menu_actions)
add_actions(self.view_menu, self.view_menu_actions)
add_actions(self.help_menu, self.help_menu_actions)
self.populate_interfaces_menu()
def launch_custom_python_gui(self, filename):
self.interface_executor.execute(open(filename).read(), filename)
def launch_custom_cpp_gui(self, interface_name, submenu=None):
"""Create a new interface window if one does not already exist,
else show existing window"""
object_name = 'custom-cpp-interface-' + interface_name
window = find_window(object_name, QMainWindow)
if window is None:
interface = self.interface_manager.createSubWindow(interface_name)
interface.setObjectName(object_name)
interface.setAttribute(Qt.WA_DeleteOnClose, True)
# make indirect interfaces children of workbench
if submenu == "Indirect":
interface.setParent(self, interface.windowFlags())
interface.show()
else:
if window.windowState() == Qt.WindowMinimized:
window.setWindowState(Qt.WindowActive)
else:
window.raise_()
def populate_interfaces_menu(self):
"""Populate then Interfaces menu with all Python and C++ interfaces"""
self.interfaces_menu.clear()
interface_dir = ConfigService['mantidqt.python_interfaces_directory']
self.interface_list = self._discover_python_interfaces(interface_dir)
self._discover_cpp_interfaces(self.interface_list)
hidden_interfaces = ConfigService[
'interfaces.categories.hidden'].split(';')
keys = list(self.interface_list.keys())
keys.sort()
for key in keys:
if key not in hidden_interfaces:
submenu = self.interfaces_menu.addMenu(key)
names = self.interface_list[key]
names.sort()
for name in names:
if '.py' in name:
action = submenu.addAction(
name.replace('.py', '').replace('_', ' '))
script = os.path.join(interface_dir, name)
action.triggered.connect(
lambda checked_py, script=script: self.
launch_custom_python_gui(script))
else:
action = submenu.addAction(name)
action.triggered.connect(
lambda checked_cpp, name=name, key=key: self.
launch_custom_cpp_gui(name, key))
def redirect_python_warnings(self):
"""By default the warnings module writes warnings to sys.stderr. stderr is assumed to be
an error channel so we don't confuse warnings with errors this redirects warnings
from the warnings module to mantid.logger.warning
"""
import warnings
def to_mantid_warning(*args, **kwargs):
logger.warning(warnings.formatwarning(*args, **kwargs))
warnings.showwarning = to_mantid_warning
def _discover_python_interfaces(self, interface_dir):
"""Return a dictionary mapping a category to a set of named Python interfaces"""
items = ConfigService['mantidqt.python_interfaces'].split()
# list of custom interfaces that are not qt4/qt5 compatible
GUI_BLACKLIST = ['Frequency_Domain_Analysis_Old.py']
# detect the python interfaces
interfaces = {}
for item in items:
key, scriptname = item.split('/')
if not os.path.exists(os.path.join(interface_dir, scriptname)):
logger.warning('Failed to find script "{}" in "{}"'.format(
scriptname, interface_dir))
continue
if scriptname in GUI_BLACKLIST:
logger.information('Not adding gui "{}"'.format(scriptname))
continue
interfaces.setdefault(key, []).append(scriptname)
return interfaces
def _discover_cpp_interfaces(self, interfaces):
"""Return a dictionary mapping a category to a set of named C++ interfaces"""
cpp_interface_factory = UserSubWindowFactory.Instance()
interface_names = cpp_interface_factory.keys()
for name in interface_names:
categories = cpp_interface_factory.categories(name)
if len(categories) == 0:
categories = ["General"]
for category in categories:
if category in interfaces.keys():
interfaces[category].append(name)
else:
interfaces[category] = [name]
return interfaces
def add_dockwidget(self, plugin):
"""Create a dockwidget around a plugin and add the dock to window"""
dockwidget, location = plugin.create_dockwidget()
self.addDockWidget(location, dockwidget)
# ----------------------- Layout ---------------------------------
def populate_layout_menu(self):
self.view_menu_layouts.clear()
try:
layout_dict = CONF.get("MainWindow/user_layouts")
except KeyError:
layout_dict = {}
layout_keys = sorted(layout_dict.keys())
layout_options = []
for item in layout_keys:
layout_options.append(
self.create_load_layout_action(item, layout_dict[item]))
layout_options.append(None)
action_settings = create_action(
self, "Settings", on_triggered=self.open_settings_layout_window)
layout_options.append(action_settings)
add_actions(self.view_menu_layouts, layout_options)
def create_load_layout_action(self, layout_name, layout):
action_load_layout = create_action(
self, layout_name, on_triggered=lambda: self.restoreState(layout))
return action_load_layout
def prep_window_for_reset(self):
"""Function to reset all dock widgets to a state where they can be
ordered by setup_default_layout"""
for widget in self.widgets:
widget.dockwidget.setFloating(
False) # Bring back any floating windows
self.addDockWidget(Qt.LeftDockWidgetArea,
widget.dockwidget) # Un-tabify all widgets
widget.toggle_view(False)
def setup_default_layouts(self):
"""Set the default layouts of the child widgets"""
# layout definition
logmessages = self.messagedisplay
ipython = self.ipythonconsole
workspacewidget = self.workspacewidget
editor = self.editor
algorithm_selector = self.algorithm_selector
plot_selector = self.plot_selector
default_layout = {
'widgets': [
# column 0
[[workspacewidget], [algorithm_selector, plot_selector]],
# column 1
[[editor, ipython]],
# column 2
[[logmessages]]
],
'width-fraction': [
0.25, # column 0 width
0.50, # column 1 width
0.25
], # column 2 width
'height-fraction': [
[0.5, 0.5], # column 0 row heights
[1.0], # column 1 row heights
[1.0]
] # column 2 row heights
}
size = self.size() # Preserve size on reset
self.arrange_layout(default_layout)
self.resize(size)
def arrange_layout(self, layout):
"""Arrange the layout of the child widgets according to the supplied layout"""
self.prep_window_for_reset()
widgets_layout = layout['widgets']
with widget_updates_disabled(self):
# flatten list
widgets = [
item for column in widgets_layout for row in column
for item in row
]
# show everything
for w in widgets:
w.toggle_view(True)
# split everything on the horizontal
for i in range(len(widgets) - 1):
first, second = widgets[i], widgets[i + 1]
self.splitDockWidget(first.dockwidget, second.dockwidget,
Qt.Horizontal)
# now arrange the rows
for column in widgets_layout:
for i in range(len(column) - 1):
first_row, second_row = column[i], column[i + 1]
self.splitDockWidget(first_row[0].dockwidget,
second_row[0].dockwidget, Qt.Vertical)
# and finally tabify those in the same position
for column in widgets_layout:
for row in column:
for i in range(len(row) - 1):
first, second = row[i], row[i + 1]
self.tabifyDockWidget(first.dockwidget,
second.dockwidget)
# Raise front widget per row
row[0].dockwidget.show()
row[0].dockwidget.raise_()
# ----------------------- Events ---------------------------------
def closeEvent(self, event):
if self.project.is_saving or self.project.is_loading:
event.ignore()
self.project.inform_user_not_possible()
return
# Check whether or not to save project
if not self.project.saved:
# Offer save
if self.project.offer_save(self):
# Cancel has been clicked
event.ignore()
return
# Close editors
if self.editor.app_closing():
# write out any changes to the mantid config file
ConfigService.saveConfig(ConfigService.getUserFilename())
# write current window information to global settings object
self.writeSettings(CONF)
# Close all open plots
# We don't want this at module scope here
import matplotlib.pyplot as plt # noqa
plt.close('all')
app = QApplication.instance()
if app is not None:
app.closeAllWindows()
# Kill the project recovery thread and don't restart should a save be in progress and clear out current
# recovery checkpoint as it is closing properly
self.project_recovery.stop_recovery_thread()
self.project_recovery.closing_workbench = True
self.project_recovery.remove_current_pid_folder()
self.interface_manager.closeHelpWindow()
event.accept()
else:
# Cancel was pressed when closing an editor
event.ignore()
# ----------------------- Slots ---------------------------------
def open_file(self):
# todo: when more file types are added this should
# live in its own type
filepath, _ = QFileDialog.getOpenFileName(self, "Open File...", "",
"Python (*.py)")
if not filepath:
return
self.editor.open_file_in_new_tab(filepath)
def save_script(self):
self.editor.save_current_file()
def save_script_as(self):
self.editor.save_current_file_as()
def generate_script_from_workspaces(self):
task = BlockingAsyncTaskWithCallback(
target=self._generate_script_from_workspaces,
blocking_cb=QApplication.processEvents)
task.start()
def _generate_script_from_workspaces(self):
script = "from mantid.simpleapi import *\n\n" + get_all_workspace_history_from_ads(
)
QAppThreadCall(self.editor.open_script_in_new_tab)(script)
def save_project(self):
self.project.save()
def save_project_as(self):
self.project.save_as()
def load_project(self):
self.project.load()
def open_manage_directories(self):
manageuserdirectories.ManageUserDirectories.openManageUserDirectories()
def open_script_repository(self):
self.script_repository = ScriptRepositoryView(self)
self.script_repository.loadScript.connect(
self.editor.open_file_in_new_tab)
self.script_repository.setAttribute(Qt.WA_DeleteOnClose, True)
self.script_repository.show()
def open_settings_window(self):
settings = SettingsPresenter(self)
settings.show()
def open_settings_layout_window(self):
settings = SettingsPresenter(self)
settings.show()
settings.general_settings.focus_layout_box()
def config_updated(self):
"""
Updates the widgets that depend on settings from the Workbench Config.
"""
self.editor.load_settings_from_config(CONF)
self.project.load_settings_from_config(CONF)
self.algorithm_selector.refresh()
self.populate_interfaces_menu()
self.workspacewidget.refresh_workspaces()
def open_algorithm_descriptions_help(self):
self.interface_manager.showAlgorithmHelp('')
def open_mantid_concepts_help(self):
self.interface_manager.showConceptHelp('')
def open_mantid_help(self):
self.interface_manager.showHelpPage('')
def open_mantid_homepage(self):
self.interface_manager.showWebPage('https://www.mantidproject.org')
def open_mantid_forum(self):
self.interface_manager.showWebPage('https://forum.mantidproject.org/')
def open_about(self):
about = AboutPresenter(self)
about.show()
def readSettings(self, settings):
qapp = QApplication.instance()
qapp.setAttribute(Qt.AA_UseHighDpiPixmaps)
if hasattr(Qt, 'AA_EnableHighDpiScaling'):
qapp.setAttribute(Qt.AA_EnableHighDpiScaling,
settings.get('high_dpi_scaling'))
# get the saved window geometry
window_size = settings.get('MainWindow/size')
if not isinstance(window_size, QSize):
window_size = QSize(*window_size)
window_pos = settings.get('MainWindow/position')
if not isinstance(window_pos, QPoint):
window_pos = QPoint(*window_pos)
if settings.has('MainWindow/font'):
font_string = settings.get('MainWindow/font').split(',')
font = QFontDatabase().font(font_string[0], font_string[-1],
int(font_string[1]))
qapp.setFont(font)
# make sure main window is smaller than the desktop
desktop = QDesktopWidget()
# this gives the maximum screen number if the position is off screen
screen = desktop.screenNumber(window_pos)
# recalculate the window size
desktop_geom = desktop.screenGeometry(screen)
w = min(desktop_geom.size().width(), window_size.width())
h = min(desktop_geom.size().height(), window_size.height())
window_size = QSize(w, h)
# and position it on the supplied desktop screen
x = max(window_pos.x(), desktop_geom.left())
y = max(window_pos.y(), desktop_geom.top())
window_pos = QPoint(x, y)
# set the geometry
self.resize(window_size)
self.move(window_pos)
# restore window state
if settings.has('MainWindow/state'):
self.restoreState(settings.get('MainWindow/state'))
else:
self.setWindowState(Qt.WindowMaximized)
# read in settings for children
AlgorithmInputHistory().readSettings(settings)
for widget in self.widgets:
if hasattr(widget, 'readSettings'):
widget.readSettings(settings)
def writeSettings(self, settings):
settings.set('MainWindow/size', self.size()) # QSize
settings.set('MainWindow/position', self.pos()) # QPoint
settings.set('MainWindow/state', self.saveState()) # QByteArray
# write out settings for children
AlgorithmInputHistory().writeSettings(settings)
for widget in self.widgets:
if hasattr(widget, 'writeSettings'):
widget.writeSettings(settings)
def test_widget_creation(self):
display = ScriptRepositoryView()
self.assertNotEqual(display, None)